CVE-2018-19407

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    CVE-2018-19407

    Published: 21 Nov 2018Last Modified: 15 Mar 2026

    Summary:

    Details: The vcpu_scan_ioapic function in arch/x86/kvm/x86.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where ioapic is uninitialized.

    References: https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html, https://usn.ubuntu.com/3871-5/, https://usn.ubuntu.com/3872-1/, https://usn.ubuntu.com/3878-2/, https://usn.ubuntu.com/3879-1/, https://usn.ubuntu.com/3879-2/, https://usn.ubuntu.com/3871-1/, https://usn.ubuntu.com/3878-1/, http://www.securityfocus.com/bid/105987, https://usn.ubuntu.com/3871-3/, https://usn.ubuntu.com/3871-4/, https://lkml.org/lkml/2018/11/20/580

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High